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#ifndef __A_OUT_GNU_H__
#define __A_OUT_GNU_H__
#include <bits/a.out.h>
#define __GNU_EXEC_MACROS__
/*
* OSF/1 ECOFF header structs. ECOFF files consist of:
* - a file header (struct filehdr),
* - an a.out header (struct aouthdr),
* - one or more section headers (struct scnhdr).
* The filhdr's "f_nscns" field contains the
* number of section headers.
*/
struct filehdr
{
/* OSF/1 "file" header */
unsigned short f_magic, f_nscns;
unsigned int f_timdat;
unsigned long f_symptr;
unsigned int f_nsyms;
unsigned short f_opthdr, f_flags;
};
struct aouthdr
{
unsigned long info; /* After that it looks quite normal.. */
unsigned long tsize;
unsigned long dsize;
unsigned long bsize;
unsigned long entry;
unsigned long text_start; /* With a few additions that actually make sense. */
unsigned long data_start;
unsigned long bss_start;
unsigned int gprmask, fprmask; /* Bitmask of general & floating point regs used in binary. */
unsigned long gpvalue;
};
struct scnhdr
{
char s_name[8];
unsigned long s_paddr;
unsigned long s_vaddr;
unsigned long s_size;
unsigned long s_scnptr;
unsigned long s_relptr;
unsigned long s_lnnoptr;
unsigned short s_nreloc;
unsigned short s_nlnno;
unsigned int s_flags;
};
struct exec
{
/* OSF/1 "file" header */
struct filehdr fh;
struct aouthdr ah;
};
#define a_info ah.info
#define a_text ah.tsize
#define a_data ah.dsize
#define a_bss ah.bsize
#define a_entry ah.entry
#define a_textstart ah.text_start
#define a_datastart ah.data_start
#define a_bssstart ah.bss_start
#define a_gprmask ah.gprmask
#define a_fprmask ah.fprmask
#define a_gpvalue ah.gpvalue
#define AOUTHSZ sizeof(struct aouthdr)
#define SCNHSZ sizeof(struct scnhdr)
#define SCNROUND 16
enum machine_type
{
M_OLDSUN2 = 0,
M_68010 = 1,
M_68020 = 2,
M_SPARC = 3,
M_386 = 100,
M_MIPS1 = 151,
M_MIPS2 = 152
};
#define N_MAGIC(exec) ((exec).a_info & 0xffff)
#define N_MACHTYPE(exec) ((enum machine_type)(((exec).a_info >> 16) & 0xff))
#define N_FLAGS(exec) (((exec).a_info >> 24) & 0xff)
#define N_SET_INFO(exec, magic, type, flags) \
((exec).a_info = ((magic) & 0xffff) \
| (((int)(type) & 0xff) << 16) \
| (((flags) & 0xff) << 24))
#define N_SET_MAGIC(exec, magic) \
((exec).a_info = ((exec).a_info & 0xffff0000) | ((magic) & 0xffff))
#define N_SET_MACHTYPE(exec, machtype) \
((exec).a_info = \
((exec).a_info&0xff00ffff) | ((((int)(machtype))&0xff) << 16))
#define N_SET_FLAGS(exec, flags) \
((exec).a_info = \
((exec).a_info&0x00ffffff) | (((flags) & 0xff) << 24))
/* Code indicating object file or impure executable. */
#define OMAGIC 0407
/* Code indicating pure executable. */
#define NMAGIC 0410
/* Code indicating demand-paged executable. */
#define ZMAGIC 0413
/* This indicates a demand-paged executable with the header in the text.
The first page is unmapped to help trap NULL pointer references. */
#define QMAGIC 0314
/* Code indicating core file. */
#define CMAGIC 0421
#define N_TRSIZE(x) 0
#define N_DRSIZE(x) 0
#define N_SYMSIZE(x) 0
#define N_BADMAG(x) \
(N_MAGIC(x) != OMAGIC && N_MAGIC(x) != NMAGIC \
&& N_MAGIC(x) != ZMAGIC && N_MAGIC(x) != QMAGIC)
#define _N_HDROFF(x) (1024 - sizeof (struct exec))
#define N_TXTOFF(x) \
((long) N_MAGIC(x) == ZMAGIC ? 0 : \
(sizeof (struct exec) + (x).fh.f_nscns * SCNHSZ + SCNROUND - 1) \
& ~(SCNROUND - 1))
#define N_DATOFF(x) (N_TXTOFF(x) + (x).a_text)
#define N_TRELOFF(x) (N_DATOFF(x) + (x).a_data)
#define N_DRELOFF(x) (N_TRELOFF(x) + N_TRSIZE(x))
#define N_SYMOFF(x) (N_DRELOFF(x) + N_DRSIZE(x))
#define N_STROFF(x) (N_SYMOFF(x) + N_SYMSIZE(x))
/* Address of text segment in memory after it is loaded. */
#define N_TXTADDR(x) ((x).a_textstart)
/* Address of data segment in memory after it is loaded. */
#define SEGMENT_SIZE 1024
#define _N_SEGMENT_ROUND(x) (((x) + SEGMENT_SIZE - 1) & ~(SEGMENT_SIZE - 1))
#define _N_TXTENDADDR(x) (N_TXTADDR(x)+(x).a_text)
#define N_DATADDR(x) ((x).a_datastart)
#define N_BSSADDR(x) ((x).a_bssstart)
#if !defined (N_NLIST_DECLARED)
struct nlist
{
union
{
char *n_name;
struct nlist *n_next;
long n_strx;
} n_un;
unsigned char n_type;
char n_other;
short n_desc;
unsigned long n_value;
};
#endif /* no N_NLIST_DECLARED. */
#define N_UNDF 0
#define N_ABS 2
#define N_TEXT 4
#define N_DATA 6
#define N_BSS 8
#define N_FN 15
#define N_EXT 1
#define N_TYPE 036
#define N_STAB 0340
#define N_INDR 0xa
#define N_SETA 0x14 /* Absolute set element symbol. */
#define N_SETT 0x16 /* Text set element symbol. */
#define N_SETD 0x18 /* Data set element symbol. */
#define N_SETB 0x1A /* Bss set element symbol. */
#define N_SETV 0x1C /* Pointer to set vector in data area. */
#if !defined (N_RELOCATION_INFO_DECLARED)
/* This structure describes a single relocation to be performed.
The text-relocation section of the file is a vector of these structures,
all of which apply to the text section.
Likewise, the data-relocation section applies to the data section. */
struct relocation_info
{
int r_address;
unsigned int r_symbolnum:24;
unsigned int r_pcrel:1;
unsigned int r_length:2;
unsigned int r_extern:1;
unsigned int r_pad:4;
};
#endif /* no N_RELOCATION_INFO_DECLARED. */
#endif /* __A_OUT_GNU_H__ */
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